Commonly, a voucher is a document that shows goods have bought or services have been rendered, authorizes payment, and indicates the ledger account(s) in which these transactions have to be recorded.
It was the first product in a major class of drugs for depression called selective serotonin reuptake inhibitors. Prozac was first introduced to the U.S. market in January 1988, and it gained its most prescribed status within two years.
Thanks to the 1984 law, consumers have access to generic versions of many blockbuster treatments, including the cholesterol drug Zocor and the antidepressant Prozac, which can cost $3 to $5 a day. The generic forms of those drugs typically cost pennies a day. But biotech drugs weren't developed until the 1980s, when technology cleared the way for genetic engineering on DNA, allowing drug companies to rake in huge profits from this relatively new class of treatments.